Large and Multifunctional: The main clothing pocket holds 5-7 lightweight pieces, which is ideal for short trips or business trips of 2-3 days. The backpack can also be used at college to carry books and other materials. The separate notebook compartment accommodates a 15.6-inch notebook. All of this makes this backpack excellent for work or studies.Separate shoe compartment and wet item pocket: The shoe compartment holds a pair of flip-flops or low-top sneakers, allowing you to change them while traveling or playing outdoor sports. The wet item pocket, made of high-density waterproof material, can be used to store wet clothes, making your hotel stay more convenient.USB port design: This backpack has a USB charging port, which allows you to connect a portable charger to the inside of the bag and a cell phone to the outside of the bag via a cable. This way, you can charge your cell phone or iPad while walking, reducing the burden on your hands and avoiding losing information. Note that the backpack does not come with a portable charger and cable it only offers a USB port to conveniently charge your cell phone.Approved for most flights: Its external dimensions are 45 × 33 x 16 cm (H × W × D) and its weight is 1.1 kg (manual measurement, for reference only; may differ from actual measurement). This backpack meets carry-on luggage requirements and can be opened 180 degrees like a suitcase. Designed especially for air travel, the backpack quickly passes through airport security.Comfort and safety: Comfortable design with back airflow, ventilated padding and thick, soft panel that provides back support. Breathable, adjustable shoulder straps and a chest buckle to relieve pressure on your shoulders. This backpack can be attached to the suitcase handle to make traveling easier. A hidden zippered anti-theft pocket on the back of the backpack helps prevent your belongings from being stolen.Perfect for Various Occasions: The casual backpack is perfect for college, daily commute, business, work, hiking, short trips, weekend trips and other activities. -